Full list of all 14 Bullet Witch achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Unlock by beating stage 1 in any difficulty mode.
Unlock by beating stage 2 in any difficulty mode.
Unlock by beating stage 3 in any difficulty mode.
Unlock by beating stage 4 in any difficulty mode.
Unlock by beating stage 5 in any difficulty mode.
Unlock by beating stage 6 in any difficulty mode.
Unlock by beating all stages in EASY mode.
Unlock by beating all stages in NORMAL mode.
Unlock by beating all stages in HARD mode.
Unlock by beating all stages in CHAOS mode.
Unlock by beating all stages in HELL mode.
Unlock by exceeding a total play time of 15 hours.
Unlock by beating all stages in any mode.